User guide

Specifications
MultiView™ II DVI-TX Installation and User Guide 8
3.4.4 Auxiliary Signal support: (SAP) version
The DVI-TX-SAP comes equipped with an internal hardware (SAP) option module, enabling full-duplex RS-232
serial (no hardware handshaking signals) and stereo audio. Note that the (SAP) module itself does have
some
user-configurable settings that can be changed by on-board DIP-switches (not through the front-panel buttons).
 Simplex or Duplex RS-232 support.
o Provides simplex or duplex serial data, even with daisy-chained receivers.
o Data is transmitted and received using “broadcast” mode by default.
o If desired, receivers are individually addressable.
o RS-232 interface supports a 3-wire interface: TX/RX/GND.
o Baud rate is adjustable in 9 steps from 1200 to 115K BAUD.
 The factory-default speed is 9600 BAUD.
o Note: The SAP transmitter and receivers modules must have their SAP-address configured
correctly.
 The factory-default setting for all (SAP) modules is address-0. This is the “broadcast”
address.
 Note: All SAP-address configuration changes (via DIP switches, see Appendix C)
should be done before making any cable connections and applying power.
 Audio: L/R true stereo audio is supported simultaneously with serial data.
o Audio gain/mute settings are under serial control.
 The (SAP) module provides many additional user-configurable settings, available through the serial port.
Please refer to the SAP-II Programmer’s Guide for additional details.
Note that in cases where a DVI-TX-SAP transmitter is routed through a DA (Distribution Amp, such as a
MultiView 9D for example), or a Mondo (or other) video switch, the (SAP) module will provide simplex serial (TX-
only, though the addressable-receiver feature still works), and audio. In this mode, receive-direction serial data
(RX) is ignored.
3.5 CAT5 Cable Compatibility
The MultiView™ family of products enable the highest quality video extension over common Category 5 (CAT5)
cable. In some applications, system design or environmental factors can require the use of CAT5e and CAT6
cabling (with and without optional shielding). Each installation may have special requirements, and it is up to the
system designer to determine the most appropriate type of cable to deploy with MultiView™ products. In any
case, if there is any doubt with regards to a specific type of cable it is strongly advised that actual testing
be
performed using an appropriate length of the desired cable – BEFORE that cable is specified and installed.
The DVI-TX transmitter supports a daisy-chain CAT5 connection to multiple receivers. This allows one video
source to be sent to many displays at the same time – with the absolute minimum amount of signal degradation
possible.
Magenta Research products are compatible with standard CAT5/5e/6 data cabling as well as specialized “low
skew” cabling manufactured primarily for video applications. Note that some “low skew” cabling is specific to a
particular equipment vendor or application and may not compatible with MultiView products. Please ensure any
“low-skew” CAT5 cable is non-proprietary prior to purchase/installation.
Standard CAT6 cable, due to the manufacture method, can exhibit much greater skew than standard CAT5/5e
and may require skew compensation beyond what the standard product offers. Please contact Magenta
Research for assistance.
The CAT5/5e/6 cable should be suitably rated Listed cable (DUZX) communication cables, TYPE CMP, CMR,
CMG or CM as designated in the NEC. Cables are to be installed in accordance with the NEC and local building
and electrical codes. This is the responsibility of the end user/installer of this product.